could youering, bleeding after a shootout where police that left his 267-year-old brother tamerlan dead. police said they tracked them down after they execute an m.i.t. officer and then led police on a wild chase. tsarnaev, he lived here for more than a decade, he got away but not for long. his arrest praised by the president. >> we've closed an important chapter in this tragedy. >> and by this community still in mourning. >> it brings a sigh of relief, and i think it really allows us to start the healing process. >> and we learned the fib has asked hospital officials not to give any more updates about the suspect's conditions, so we still don't know if investigators have been able to question him about the motive. abc news. back to you. >> thank you, marscy. an odd twist in the shoot of course an m.i.t. officer. an event that touched off that manhunt. 26-year-old sean colyer was a young father with a six-month-old baby. they believe the tsarnaev brothers shot him in his squad cars on m.i.t.'s campus. the twist is that colyer recently began volunteering at the boxes gym with suspect num